The cave of Saint Sofia is located in the western walls of the Topolio Gorge, 47 km from the city of Chania. It consists of two rooms on different levels. The cave has an almost circular ship with a diameter of 50 meters. The height alters and in some spots it reaches 20 meters. The entrance of the cave has a width of 25 meters and to the left is the small (6 x 3 meters) church of Saint Sofia. The cave is worth visiting for its historical and archeological value.